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1
Publicado en: The Last neandertals, the first anatomically modern humans : a tale about the human diversity / editors Eudald Carbonell, Manuel Vaquero , [Tarragona : Universitat Rovira i Virgili], 1996, p. 251-266
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2
Publicado en: The Journal of the Iron and Stell Institute / edited by Bennett H. Brough , London : Spon, 1897, No 2, v. 50 (1986), P. 36-103